This certification model, which is a refined version of the 1974 AECT Certification Model, is directed to the needs of educational media specialists, their employers and educators, and to certifying and accrediting agencies that approve programs preparing educational media specialists. Included in the document are reports on accreditation and certification of audiovisual, educational media, and library personnel. Appendices detail guidelines for the certification of personnel in educational communications and technology, including a list of competencies for specialists and technicians in media management, media product development, and instructional program development. This report is designed to serve the professional needs of all educators concerned with the effective utilization of instructional resources. (JEG)